78892950 has 24 divisors (see below), whose sum is σ = 195654888. Its totient is φ = 21038080.

The previous prime is 78892943. The next prime is 78892951. The reversal of 78892950 is 5929887.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 78892950.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78892951) 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, 262827 + ... + 263126.

It is an arithmetic number, because the mean of its divisors is an integer number (8152287).

Almost surely, 2^78892950 is an apocalyptic number.

78892950 is an abundant number, since it is smaller than the sum of its proper divisors (116761938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78892950 is a wasteful number, since it uses less digits than its factorization.

78892950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525968 (or 525963 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 48.

The square root of 78892950 is about 8882.1703428835. The cubic root of 78892950 is about 428.8901430825.

The spelling of 78892950 in words is "seventy-eight million, eight hundred ninety-two thousand, nine hundred fifty".