77507239034 has 16 divisors (see below), whose sum is σ = 123024355200. Its totient is φ = 36546583920.

The previous prime is 77507239013. The next prime is 77507239037. The reversal of 77507239034 is 43093270577.

It is a happy number.

It is a super-2 number, since 2×77507239034² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 77507239034.

It is not an unprimeable number, because it can be changed into a prime (77507239037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11862509 + ... + 11869040.

It is an arithmetic number, because the mean of its divisors is an integer number (7689022200).

Almost surely, 2^77507239034 is an apocalyptic number.

77507239034 is a deficient number, since it is larger than the sum of its proper divisors (45517116166).

77507239034 is a wasteful number, since it uses less digits than its factorization.

77507239034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23731645.

The product of its (nonzero) digits is 1111320, while the sum is 47.

The spelling of 77507239034 in words is "seventy-seven billion, five hundred seven million, two hundred thirty-nine thousand, thirty-four".