77151076574212 has 6 divisors (see below), whose sum is σ = 135014384004878. Its totient is φ = 38575538287104.

The previous prime is 77151076574207. The next prime is 77151076574219. The reversal of 77151076574212 is 21247567015177.

It can be written as a sum of positive squares in only one way, i.e., 76640114660356 + 510961913856 = 8754434^2 + 714816^2 .

It is a super-3 number, since 3×77151076574212³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (77151076574219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9643884571773 + ... + 9643884571780.

Almost surely, 2^{77151076574212} is an apocalyptic number.

It is an amenable number.

77151076574212 is a deficient number, since it is larger than the sum of its proper divisors (57863307430666).

77151076574212 is a wasteful number, since it uses less digits than its factorization.

77151076574212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19287769143557 (or 19287769143555 counting only the distinct ones).

The product of its (nonzero) digits is 5762400, while the sum is 55.

The spelling of 77151076574212 in words is "seventy-seven trillion, one hundred fifty-one billion, seventy-six million, five hundred seventy-four thousand, two hundred twelve".