100779472 has 10 divisors (see below), whose sum is σ = 195260258. Its totient is φ = 50389728.

The previous prime is 100779467. The next prime is 100779499. The reversal of 100779472 is 274977001.

It can be written as a sum of positive squares in only one way, i.e., 99281296 + 1498176 = 9964^2 + 1224^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3149343 + ... + 3149374.

Almost surely, 2^100779472 is an apocalyptic number.

It is an amenable number.

100779472 is a deficient number, since it is larger than the sum of its proper divisors (94480786).

100779472 is an equidigital number, since it uses as much as digits as its factorization.

100779472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6298725 (or 6298719 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 37.

The square root of 100779472 is about 10038.8979474841. The cubic root of 100779472 is about 465.3617595699.

The spelling of 100779472 in words is "one hundred million, seven hundred seventy-nine thousand, four hundred seventy-two".