77150331 has 12 divisors (see below), whose sum is σ = 111523152. Its totient is φ = 51394896.

The previous prime is 77150321. The next prime is 77150357. The reversal of 77150331 is 13305177.

It is not a de Polignac number, because 77150331 - 2¹⁷ = 77019259 is a prime.

It is a super-2 number, since 2×77150331² = 11904347146819122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 77150295 and 77150304.

It is not an unprimeable number, because it can be changed into a prime (77150321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14610 + ... + 19176.

It is an arithmetic number, because the mean of its divisors is an integer number (9293596).

Almost surely, 2^77150331 is an apocalyptic number.

77150331 is a deficient number, since it is larger than the sum of its proper divisors (34372821).

77150331 is a wasteful number, since it uses less digits than its factorization.

77150331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6450 (or 6447 counting only the distinct ones).

The product of its (nonzero) digits is 2205, while the sum is 27.

The square root of 77150331 is about 8783.5261142664. The cubic root of 77150331 is about 425.7087707315.

The spelling of 77150331 in words is "seventy-seven million, one hundred fifty thousand, three hundred thirty-one".