77156153340 has 96 divisors (see below), whose sum is σ = 246946635264. Its totient is φ = 17632339200.

The previous prime is 77156153323. The next prime is 77156153357. The reversal of 77156153340 is 4335165177.

It is an interprime number because it is at equal distance from previous prime (77156153323) and next prime (77156153357).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 77156153292 and 77156153301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2695182 + ... + 2723658.

It is an arithmetic number, because the mean of its divisors is an integer number (2572360784).

Almost surely, 2^77156153340 is an apocalyptic number.

77156153340 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

77156153340 is an abundant number, since it is smaller than the sum of its proper divisors (169790481924).

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

77156153340 is a wasteful number, since it uses less digits than its factorization.

77156153340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34947 (or 34945 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 42.

The spelling of 77156153340 in words is "seventy-seven billion, one hundred fifty-six million, one hundred fifty-three thousand, three hundred forty".