612338877 has 36 divisors (see below), whose sum is σ = 935535744. Its totient is φ = 385544880.

The previous prime is 612338873. The next prime is 612338879. The reversal of 612338877 is 778833216.

It is not a de Polignac number, because 612338877 - 2² = 612338873 is a prime.

It is a super-2 number, since 2×612338877² = 749917800571242258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612338873) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 515278 + ... + 516464.

It is an arithmetic number, because the mean of its divisors is an integer number (25987104).

Almost surely, 2^612338877 is an apocalyptic number.

It is an amenable number.

612338877 is a deficient number, since it is larger than the sum of its proper divisors (323196867).

612338877 is a wasteful number, since it uses less digits than its factorization.

612338877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310 (or 1264 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 612338877 is about 24745.4819512573. The cubic root of 612338877 is about 849.1751522991.

The spelling of 612338877 in words is "six hundred twelve million, three hundred thirty-eight thousand, eight hundred seventy-seven".