783650961 has 24 divisors (see below), whose sum is σ = 1151265024. Its totient is φ = 513548640.

The previous prime is 783650939. The next prime is 783650983. The reversal of 783650961 is 169056387.

It is a happy number.

783650961 is a `hidden beast` number, since 7 + 83 + 6 + 509 + 61 = 666.

It is an interprime number because it is at equal distance from previous prime (783650939) and next prime (783650983).

It is not a de Polignac number, because 783650961 - 2¹⁷ = 783519889 is a prime.

It is a super-2 number, since 2×783650961² = 1228217657352447042, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (783650911) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 364951 + ... + 367091.

It is an arithmetic number, because the mean of its divisors is an integer number (47969376).

Almost surely, 2^783650961 is an apocalyptic number.

It is an amenable number.

783650961 is a deficient number, since it is larger than the sum of its proper divisors (367614063).

783650961 is a wasteful number, since it uses less digits than its factorization.

783650961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2821 (or 2818 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 783650961 is about 27993.7664668404. The cubic root of 783650961 is about 921.9503994880.

The spelling of 783650961 in words is "seven hundred eighty-three million, six hundred fifty thousand, nine hundred sixty-one".