77045654504770 has 128 divisors (see below), whose sum is σ = 168401874009600. Its totient is φ = 24775263424512.

The previous prime is 77045654504657. The next prime is 77045654504803. The reversal of 77045654504770 is 7740545654077.

It is a junction number, because it is equal to n+sod(n) for n = 77045654504699 and 77045654504708.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 558763396 + ... + 558901264.

It is an arithmetic number, because the mean of its divisors is an integer number (1315639640700).

Almost surely, 2^{77045654504770} is an apocalyptic number.

77045654504770 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

77045654504770 is an abundant number, since it is smaller than the sum of its proper divisors (91356219504830).

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

77045654504770 is a wasteful number, since it uses less digits than its factorization.

77045654504770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139532.

The product of its (nonzero) digits is 115248000, while the sum is 61.

The spelling of 77045654504770 in words is "seventy-seven trillion, forty-five billion, six hundred fifty-four million, five hundred four thousand, seven hundred seventy".