791678036 has 6 divisors (see below), whose sum is σ = 1385436570. Its totient is φ = 395839016.

The previous prime is 791678033. The next prime is 791678057. The reversal of 791678036 is 630876197.

It can be written as a sum of positive squares in only one way, i.e., 670810000 + 120868036 = 25900^2 + 10994^2 .

It is a super-2 number, since 2×791678036² = 1253508225369634592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791678033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98959751 + ... + 98959758.

It is an arithmetic number, because the mean of its divisors is an integer number (230906095).

Almost surely, 2^791678036 is an apocalyptic number.

It is an amenable number.

791678036 is a deficient number, since it is larger than the sum of its proper divisors (593758534).

791678036 is a wasteful number, since it uses less digits than its factorization.

791678036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197919513 (or 197919511 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 791678036 is about 28136.7737311867. The cubic root of 791678036 is about 925.0876122517.

The spelling of 791678036 in words is "seven hundred ninety-one million, six hundred seventy-eight thousand, thirty-six".