77258848 has 48 divisors (see below), whose sum is σ = 156280320. Its totient is φ = 37584000.

The previous prime is 77258809. The next prime is 77258861. The reversal of 77258848 is 84885277.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284953 + ... + 285223.

It is an arithmetic number, because the mean of its divisors is an integer number (3255840).

Almost surely, 2^77258848 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 77258848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78140160).

77258848 is an abundant number, since it is smaller than the sum of its proper divisors (79021472).

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

77258848 is a wasteful number, since it uses less digits than its factorization.

77258848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 483 counting only the distinct ones).

The product of its digits is 1003520, while the sum is 49.

The square root of 77258848 is about 8789.7012463451. The cubic root of 77258848 is about 425.9082729909.

The spelling of 77258848 in words is "seventy-seven million, two hundred fifty-eight thousand, eight hundred forty-eight".