990077692 has 12 divisors (see below), whose sum is σ = 1737779680. Its totient is φ = 493569216.

The previous prime is 990077681. The next prime is 990077713. The reversal of 990077692 is 296770099.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365892 + ... + 368587.

Almost surely, 2^990077692 is an apocalyptic number.

It is an amenable number.

990077692 is a deficient number, since it is larger than the sum of its proper divisors (747701988).

990077692 is a wasteful number, since it uses less digits than its factorization.

990077692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734820 (or 734818 counting only the distinct ones).

The product of its (nonzero) digits is 428652, while the sum is 49.

The square root of 990077692 is about 31465.5000278082. The cubic root of 990077692 is about 996.6815641645.

The spelling of 990077692 in words is "nine hundred ninety million, seventy-seven thousand, six hundred ninety-two".