77442413370 has 64 divisors (see below), whose sum is σ = 212536486656. Its totient is φ = 17690872320.

The previous prime is 77442413359. The next prime is 77442413371. The reversal of 77442413370 is 7331424477.

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

It is not an unprimeable number, because it can be changed into a prime (77442413371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 259702 + ... + 471518.

It is an arithmetic number, because the mean of its divisors is an integer number (3320882604).

Almost surely, 2^77442413370 is an apocalyptic number.

77442413370 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

77442413370 is an abundant number, since it is smaller than the sum of its proper divisors (135094073286).

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

77442413370 is a wasteful number, since it uses less digits than its factorization.

77442413370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213575.

The product of its (nonzero) digits is 395136, while the sum is 42.

The spelling of 77442413370 in words is "seventy-seven billion, four hundred forty-two million, four hundred thirteen thousand, three hundred seventy".