77495928 has 48 divisors (see below), whose sum is σ = 205825080. Its totient is φ = 24310272.

The previous prime is 77495923. The next prime is 77495959. The reversal of 77495928 is 82959477.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77495921) 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, 1350 + ... + 12522.

Almost surely, 2^77495928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77495928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102912540).

77495928 is an abundant number, since it is smaller than the sum of its proper divisors (128329152).

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

77495928 is a wasteful number, since it uses less digits than its factorization.

77495928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11216 (or 11195 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 51.

The square root of 77495928 is about 8803.1771537326. The cubic root of 77495928 is about 426.3434819319.

The spelling of 77495928 in words is "seventy-seven million, four hundred ninety-five thousand, nine hundred twenty-eight".