77883015755 has 8 divisors (see below), whose sum is σ = 93466373424. Its totient is φ = 62301909600.

The previous prime is 77883015737. The next prime is 77883015803. The reversal of 77883015755 is 55751038877.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 77883015755 - 2⁸ = 77883015499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77883015755.

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, 485816 + ... + 625925.

It is an arithmetic number, because the mean of its divisors is an integer number (11683296678).

Almost surely, 2^77883015755 is an apocalyptic number.

77883015755 is a deficient number, since it is larger than the sum of its proper divisors (15583357669).

77883015755 is a wasteful number, since it uses less digits than its factorization.

77883015755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125757.

The product of its (nonzero) digits is 8232000, while the sum is 56.

The spelling of 77883015755 in words is "seventy-seven billion, eight hundred eighty-three million, fifteen thousand, seven hundred fifty-five".