77342497210 has 128 divisors (see below), whose sum is σ = 161803008000. Its totient is φ = 26341835520.

The previous prime is 77342497201. The next prime is 77342497217. The reversal of 77342497210 is 1279424377.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (77342497217) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30341016 + ... + 30343564.

It is an arithmetic number, because the mean of its divisors is an integer number (1264086000).

Almost surely, 2^77342497210 is an apocalyptic number.

77342497210 is an abundant number, since it is smaller than the sum of its proper divisors (84460510790).

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

77342497210 is a wasteful number, since it uses less digits than its factorization.

77342497210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836.

The product of its (nonzero) digits is 592704, while the sum is 46.

The spelling of 77342497210 in words is "seventy-seven billion, three hundred forty-two million, four hundred ninety-seven thousand, two hundred ten".