76369539477 has 16 divisors (see below), whose sum is σ = 126951962112. Its totient is φ = 39672487920.

The previous prime is 76369539473. The next prime is 76369539479. The reversal of 76369539477 is 77493596367.

It is a happy number.

It is not a de Polignac number, because 76369539477 - 2² = 76369539473 is a prime.

It is a super-2 number, since 2×76369539477² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76369539473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165301803 + ... + 165302264.

It is an arithmetic number, because the mean of its divisors is an integer number (7934497632).

Almost surely, 2^76369539477 is an apocalyptic number.

76369539477 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

76369539477 is a deficient number, since it is larger than the sum of its proper divisors (50582422635).

76369539477 is a wasteful number, since it uses less digits than its factorization.

76369539477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330604088.

The product of its digits is 180033840, while the sum is 66.

The spelling of 76369539477 in words is "seventy-six billion, three hundred sixty-nine million, five hundred thirty-nine thousand, four hundred seventy-seven".